



Introduction
The ABB DSTA170 57120001-FC Connection Unit is an industrial connection interface designed to centralize and organize signal, power, and field wiring in advanced automation systems. Engineered for clarity, reliability, and ease of maintenance, this unit acts as a structured junction point between sensors, actuators, controllers, and I/O modules. Its robust construction and streamlined layout help reduce wiring complexity and improve system uptime in demanding industrial environments.
Technical Specifications
| Specification | Details |
|---|
| Model | DSTA170 57120001-FC |
| Module Type | Connection Unit |
| Primary Role | Signal distribution and interface hub |
| Supported Signals | Digital I/O, analog I/O, control and feedback wiring |
| Voltage Levels | Standard industrial logic (24 V DC nominal) |
| Mounting Style | DIN rail, panel, or rack mount (application dependent) |
| Terminal Type | Screw or spring-clip terminal points (system configured) |
| Wire Gauge Support | 12–22 AWG / 2.5–0.34 mm² typical |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | –40 °C to +85 °C |
| Humidity Tolerance | 5 %–95 % non-condensing |
| Protection Rating | IP20, for internal enclosure installation |
| Dimensions (HxWxD) | Approx. 140 mm × 115 mm × 38 mm |
| Weight | Approx. 0.50 kg (1.10 lb) |
Applications
The DSTA170 Connection Unit is suitable for a wide range of automation system environments where structured signal routing is critical:
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Central junction point for distributed I/O in robot controllers and PLC systems
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Organized termination points for field devices including sensors and actuators
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Wiring consolidation in machine control cabinets and production panels
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OEM automation applications requiring modular and service-friendly wiring hubs
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Retrofit installations where improved wiring layout and accessibility are needed
By channeling complex cabling into a single organized interface, the DSTA170 enhances system clarity and maintainability.
Advantages
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Structured Wiring Management: Provides organized connection points that reduce cable clutter.
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Industrial Reliability: Designed to tolerate factory temperatures and humidity without compromise.
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Flexible Mounting: Supports multiple mounting options depending on panel layout.
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Service-Friendly Design: Clear terminal labeling and accessible points ease diagnostics and replacement.
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Broad Signal Support: Accepts both analog and digital wiring schemes for versatile integration.
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Seamless Integration: Works with ABB controllers, I/O modules, and field devices for cohesive system design.
These benefits make the DSTA170 an essential component in automated systems where reliability and wiring clarity matter.